The key general categories of data warehousing tools are: Spreadsheets Reporting and querying software: tools that extract, sort, summarize, and present selected data OLAP: Online analytical processing Digital Dashboards Data mining Decision engineering Process mining Business performance management Local information systems Except for spreadsheets, these tools are sold as standalone tools, suites of tools, components of ERP systems, or as components of software targeted to a specific industry. The tools are sometimes packaged into data warehouse appliances. Open source free products Eclipse BIRT Project JasperSoft Pentaho Community Edition RapidMiner SpagoBI R Open source commercial products Palo (OLAP database) : OLAP Server, Worksheet Server and ETL Server Pentaho : Reporting, analysis, dashboard, data mining and workflow capabilities Proprietary free products InetSoft MicroStrategy MicroStrategy Reporting Suite Proprietary products ActiveR...